7045042 has 4 divisors (see below), whose sum is σ = 10567566. Its totient is φ = 3522520.

The previous prime is 7045039. The next prime is 7045081. The reversal of 7045042 is 2405407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2405407 = 37 ⋅65011.

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 279841 = 2601^2 + 529^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761259 + ... + 1761262.

Almost surely, 2^7045042 is an apocalyptic number.

7045042 is a deficient number, since it is larger than the sum of its proper divisors (3522524).

7045042 is a wasteful number, since it uses less digits than its factorization.

7045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522523.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 7045042 is about 2654.2497998493. The cubic root of 7045042 is about 191.7025377936.

The spelling of 7045042 in words is "seven million, forty-five thousand, forty-two".